Lucy Trimble Brenner mysteries

In Eric Wright's Death on the Rocks, when private detective Lucy Trimble is retained by Greta Golden to find the identity of the ominous lurking stranger who Greta is certain is following her, it doesn't appear to be too challenging a mystery. Lucy has no trouble learning who her client's pursuer is: a British investigator has been engaged to probe into Greta's life. But, the question of what he is trying to discover about Greta, and why, begins to...